Fang, Xiang The Fredholm index of a pair of commuting operators. (English) Zbl 1105.47008 Geom. Funct. Anal. 16, No. 2, 367-402 (2006). Reviewer: Mihai Putinar (Santa Barbara) MSC: 47A13 47B50 47A53 46E20 PDFBibTeX XMLCite \textit{X. Fang}, Geom. Funct. Anal. 16, No. 2, 367--402 (2006; Zbl 1105.47008) Full Text: DOI arXiv
Fang, Xiang Invariant subspaces of the Dirichlet space and commutative algebra. (English) Zbl 1061.46022 J. Reine Angew. Math. 569, 189-211 (2004). Reviewer: Serguei Shimorin (Stockholm) MSC: 46E20 47B37 47A15 47A13 PDFBibTeX XMLCite \textit{X. Fang}, J. Reine Angew. Math. 569, 189--211 (2004; Zbl 1061.46022) Full Text: DOI